OAKLAND — A 50-year-old woman asleep inside her East Oakland home early Saturday suffered a graze wound to her head from a stray bullet fired during an apparent gun battle outside the residence, authorities said.

The woman was in stable condition at a hospital.

The shooting happened around 3 a.m. Saturday in the 1800 block of 88th Avenue. Police said based on initial reports it appears a gun battle erupted between different people or groups outside.

At least 20 shots were fired, prompting the activation of a gunshot detection system.

A stray bullet went through a wall of the woman’s home in the 1900 block 88th Avenue, striking her in the head as she slept in a bedroom, authorities said.

It was not immediately known if anyone else was in the home. Some parked vehicles were also hit by gunfire but no other injuries were reported.

What prompted the shooting is under investigation. No arrests have been made.

Police and Crime Stoppers of Oakland are offering up to $7,500 in reward money for information leading to the arrests of the shooters. Anyone with information may call police at 510-238-3426 or Crime Stoppers at 510-777-8572.

Source: www.mercurynews.com